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JEE Main Physics question

PhysicsMotion in a Straight LineJEE Main

Two particles and start moving simultaneously from point with velocity 15 ms and 20 ms respectively. They move with equal accelerations but opposite in direction. When overtakes at then its velocity is 30 ms. The velocity of at will be

Answer: (A)

Solution

With and (equal magnitude, opposite direction), , so is **constant**

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Question ID VK-152183